LPS-42845 - Mobile dockbar icons not consistent in control panel and classic

LPS-42845 - Active icons shifting to left in dockbar and adjust padding on my sites and user avatar drop down
LPS-41927 On a small mobile device (width of 320 pixels), the buttons for Documents and Media extend beyond the portlet
LPS-42756 fix the background color cann't work without border.
LPS-42851 Site admin search bar icon inconsistencies